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                        Ink tank and ink jet recording apparatus
                    
                                            
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                                    Patent number 10,654,279
                                
 
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                                    Issue date May 19, 2020
                                
 
                        
                                            
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                                    Canon Kabushiki Kaisha
                                 
                                - 
                                        
                                    Eiichi  Nakata
                                 
                        
                                            
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                                    B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
                                 
                        
                 
             
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                        Ink jet ink and ink jet recording method
                    
                                            
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                                    Patent number 9,365,733
                                
 
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                                    Issue date Jun 14, 2016
                                
 
                        
                                            
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                                    Canon Kabushiki Kaisha
                                 
                                - 
                                        
                                    Katsuhiro  Hayashi
                                 
                        
                                            
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                                    C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
                                 
                        
                 
             
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                        Display apparatus
                    
                                            
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                                    Patent number 7,663,799
                                
 
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                                    Issue date Feb 16, 2010
                                
 
                        
                                            
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                                    Canon Kabushiki Kaisha
                                 
                                - 
                                        
                                    Hiroshi  Matsuda
                                 
                        
                                            
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                                    G02 - OPTICS
                                 
                        
                 
             
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                        Electrophoretic display
                    
                                            
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                                    Patent number 6,952,305
                                
 
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                                    Issue date Oct 4, 2005
                                
 
                        
                                            
                                - 
                                        
                                    Canon Kabushiki Kaisha
                                 
                                - 
                                        
                                    Taro  Endo
                                 
                        
                                            
                                - 
                                        
                                    G02 - OPTICS